* Add project for hibernate immutable article
Add Event entity
Add hibernate configuration file
Add hibernateutil for configuration
Add test to match snippets from article
* Update master
* Remove generated annotation to event class due to immutable annotation
Update test to demonstrate silent error on update read-only entities
* Add User entity with GeneratedValue annotation
Add integration test to validate annotation behavior
* Update method names
* Update tests to validate Id
* Change class name
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